3-6 SLOPES of Parallel & Perpendicular Lines

Front

What is the slope of a line perpendicular to a line with slope -6/5?

Back

5/6

Front

What do the slopes m = 7 and m = -7 indicate about the lines?

Back

Neither parallel nor perpendicular.

Front

If two lines have slopes of 3 and -1/3, are they parallel, perpendicular, or neither?

Back

Perpendicular.

Front

Which two lines are perpendicular if Line A has a slope of 2 and Line B has a slope of -1/2?

Back

Line A and Line B.

Front

What is the slope of a line perpendicular to a line with slope 5?

Back

-1/5.

Front

Define parallel lines in terms of slope.

Back

Parallel lines have the same slope.

Front

Define perpendicular lines in terms of slope.

Back

Perpendicular lines have slopes that are negative reciprocals of each other.

Front

What is the negative reciprocal of 4?

Back

-1/4.

Front

If a line has a slope of 0, what type of line is it?

Back

A horizontal line.

Front

If a line has an undefined slope, what type of line is it?

Back

A vertical line.